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Finding the Fourth Proportional to 4,670.92, 6,445.92 and 2,575.12

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Solution

The fourth proportional to 4,670.92, 6,445.92 and 2,575.12 is: 3,553.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,670.92 : 6,445.92 = 2,575.12 : x
  2. Step 2: Convert to fraction form
    4,670.92/6,445.92 = 2,575.12/x
  3. Step 3: Cross multiply
    4,670.92x = 6,445.92 × 2,575.12
  4. Step 4: Simplify right side
    4,670.92x = 16,599,017.51
  5. Step 5: Solve for x
    x = 16,599,017.51/4,670.92
  6. Step 6: Final answer
    x = 3,553.69

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Half scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.